The link has been added by someone whose username is very similar to the domain being added;

The IP related to the link is added by someone with an IP close to the IP of the link.

These reasons why can be found in the blacklist and monitor reasons above the actual records (if they are not there, the link is not monitored/blacklisted anymore).
The reason behind your name will be one of the reasons listed in the reasons why it is monitored/blacklisted. Your appearance there does not mean you have a conflict of interest with adding the link, it may very well be accidental overlap, or a good link who was picked up by the bot accidentally, or a good link which is nonetheless under investigation of the wikiprojects en:Wikipedia:Conflict of interest/Noticeboard or en:Wikipedia:WikiProject Spam

This list is intended to see how the external link gets used, it does not imply that involved accounts are having a conflict of interest in adding the link, or that the involved accounts are spamming the link.